#/*
# * Copyright: (c) 2025 guopeiran
# * Filename: test2.c
# * Author: guopeiran
# * Date: 2025-11-19
# * Version: 1.0
# * Description: 输出三行作业要求的信息。
# */
#
#include <stdio.h>

int main(void)
{
    // 按题目要求分别输出三行信息
    printf("Hello, world!\n");
    printf("I like coding!\n");
    printf("I am good at coding!");
    return 0;
}